package no197;

import java.util.Scanner;

public class Main {
	/*
	 * 123
	 * 132
	 * 213
	 * 231
	 * 312
	 * 321
	 */
	static int[][] perm = {{1,2,3},{1,3,2},{2,1,3},{2,3,1},{3,1,2},{3,2,1}};
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		char[] bef = sc.next().toCharArray();
		long n = sc.nextLong();
		char[] aft = sc.next().toCharArray();

		int[][] a = {{0,1,1,0,0,0},{1,0,0,0,1,0},{1,0,0,1,0,0},{0,0,1,0,0,1},{0,1,0,0,0,1},{0,0,0,1,1,0}};
        int[][] x = new int[6][6];
        for(int i=0;i<6;i++) {
            x[i][i] = 1;
        }
        while(n > 0) {
            if (n % 2 == 1) {
                x = mul(x,a);
            }
            a = mul(a,a);
            n /= 2;
        }

        LOOP: for(int i=0;i<6;i++) {
        	if (x[0][i] == 1) {
        		for(int j=0;j<3;j++) {
        			if (bef[j] != aft[perm[i][j]-1]) {
        				continue LOOP;
        			}
        		}
        		System.out.println("FAILURE");
        		return;
        	}
        }
        System.out.println("SUCCESS");
	}
    static int[][] mul(int[][] a,int[][] b) {
        int n = a.length;
        int[][] c = new int[n][n];
        for(int i=0;i<n;i++) {
            for(int j=0;j<n;j++) {
                for(int k=0;k<n;k++) {
                    c[i][j] |= a[i][k] & b[k][j];
                }
            }
        }
        return c;
    }
}